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<FONT color="green">001</FONT>    package edu.hawaii.myisern.users;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.security.NoSuchAlgorithmException;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.ArrayList;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.List;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.logging.Level;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.logging.Logger;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Class for managing users.<a name="line.10"></a>
<FONT color="green">011</FONT>     * @author John Hauge<a name="line.11"></a>
<FONT color="green">012</FONT>     *<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    public class UserManager {<a name="line.14"></a>
<FONT color="green">015</FONT>      private List&lt;User&gt; userList;<a name="line.15"></a>
<FONT color="green">016</FONT>      private static Logger logger = Logger.getLogger("edu.hawaii.myisern.Hauge");<a name="line.16"></a>
<FONT color="green">017</FONT>      <a name="line.17"></a>
<FONT color="green">018</FONT>      /**<a name="line.18"></a>
<FONT color="green">019</FONT>       * Constructor. <a name="line.19"></a>
<FONT color="green">020</FONT>       */<a name="line.20"></a>
<FONT color="green">021</FONT>      public UserManager() {<a name="line.21"></a>
<FONT color="green">022</FONT>        userList = new ArrayList&lt;User&gt;();<a name="line.22"></a>
<FONT color="green">023</FONT>        try {<a name="line.23"></a>
<FONT color="green">024</FONT>          userList.add(new User("isern", "isern2007"));<a name="line.24"></a>
<FONT color="green">025</FONT>          userList.add(new User("root", "toor"));<a name="line.25"></a>
<FONT color="green">026</FONT>        } catch (NoSuchAlgorithmException e) {<a name="line.26"></a>
<FONT color="green">027</FONT>          logger.log(Level.SEVERE, e.toString());<a name="line.27"></a>
<FONT color="green">028</FONT>        }<a name="line.28"></a>
<FONT color="green">029</FONT>      }<a name="line.29"></a>
<FONT color="green">030</FONT>      <a name="line.30"></a>
<FONT color="green">031</FONT>      /**<a name="line.31"></a>
<FONT color="green">032</FONT>       * Authenticates a user name and password.<a name="line.32"></a>
<FONT color="green">033</FONT>       * @param user Username.<a name="line.33"></a>
<FONT color="green">034</FONT>       * @param password Password.<a name="line.34"></a>
<FONT color="green">035</FONT>       * @return True/False.<a name="line.35"></a>
<FONT color="green">036</FONT>       */<a name="line.36"></a>
<FONT color="green">037</FONT>      public boolean authenticate(String user, String password) {<a name="line.37"></a>
<FONT color="green">038</FONT>        try {<a name="line.38"></a>
<FONT color="green">039</FONT>          boolean pass = false;<a name="line.39"></a>
<FONT color="green">040</FONT>          User u = new User(user, password);<a name="line.40"></a>
<FONT color="green">041</FONT>          if (userList.contains(u)) {<a name="line.41"></a>
<FONT color="green">042</FONT>            pass = true;<a name="line.42"></a>
<FONT color="green">043</FONT>          }<a name="line.43"></a>
<FONT color="green">044</FONT>          return pass;<a name="line.44"></a>
<FONT color="green">045</FONT>        }<a name="line.45"></a>
<FONT color="green">046</FONT>        catch (Exception e) {<a name="line.46"></a>
<FONT color="green">047</FONT>          logger.log(Level.SEVERE, e.toString());<a name="line.47"></a>
<FONT color="green">048</FONT>          return false;<a name="line.48"></a>
<FONT color="green">049</FONT>        }<a name="line.49"></a>
<FONT color="green">050</FONT>      }<a name="line.50"></a>
<FONT color="green">051</FONT>      /**<a name="line.51"></a>
<FONT color="green">052</FONT>       * Method for adding new users to the list.<a name="line.52"></a>
<FONT color="green">053</FONT>       * @param user Username.<a name="line.53"></a>
<FONT color="green">054</FONT>       */<a name="line.54"></a>
<FONT color="green">055</FONT>      public void addUser(User user) {<a name="line.55"></a>
<FONT color="green">056</FONT>        try {<a name="line.56"></a>
<FONT color="green">057</FONT>          if (!userList.contains(user)) {<a name="line.57"></a>
<FONT color="green">058</FONT>            userList.add(user);<a name="line.58"></a>
<FONT color="green">059</FONT>          }<a name="line.59"></a>
<FONT color="green">060</FONT>        }<a name="line.60"></a>
<FONT color="green">061</FONT>        catch (Exception e) {<a name="line.61"></a>
<FONT color="green">062</FONT>          logger.log(Level.SEVERE, e.toString());<a name="line.62"></a>
<FONT color="green">063</FONT>        }<a name="line.63"></a>
<FONT color="green">064</FONT>      }<a name="line.64"></a>
<FONT color="green">065</FONT>      <a name="line.65"></a>
<FONT color="green">066</FONT>    }<a name="line.66"></a>




























































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